S-2 Rockbit Balls

S-2 Tool Steel balls have a smooth ground and polished finish. S-2 Tool Steel balls are hardened throughout and have good wear characteristics.

S-2 Tool Steel balls find most frequent use in oil field equipment and offshore drilling operations. They provide good service in withstanding the abrasion of pulverized rock and mud slurries.

Click Here for Ball Terms and Definitions (Grades Available and Tolerances)

Pkg. Qty	Part #	Diameter (in.)	Pkg. Price	Order Online
S2 Rockbit Balls - Grade 1000
200	KB-1802	0.187	$18.86	Add to Order
200	KB-1803	0.250	$34.96	Add to Order
100	KB-1804	0.312	$26.89	Add to Order
50	KB-1805	0.437	$28.62	Add to Order
50	KB-1806	0.500	$36.14	Add to Order
25	KB-1807	0.562	$23.85	Add to Order
20	KB-1818	0.687	$29.75	Add to Order
10	KB-1809	0.750	$20.54	Add to Order
10	KB-1800	0.812	$26.89	Add to Order
10	KB-1811	0.875	$33.12	Add to Order
10	KB-1835	0.937	$38.32	Add to Order
5	KB-1814	1.00	$23.42	Add to Order
Rev. 04-23, 03-22

Material	AISI	Federal	ASTM	UNS
S-2 Steel	S-2	QQ-T-570	A681	T-4190

Mechanical Properties Hardness as measured on parallel flat surfaces is Rockwell C 55-58.
Tensile strength	310,000 psi
Yield strength	290,000 psi
Elongation in two inches	7%
Reduction in area	25%
Modulus of elasticity	30,000,000 psi
Density	0.283 lbs./cu. in